/* Crypto Academy - CoinMarketCap Style */

:root {
    --primary: #3861fb;
    --primary-dark: #2347df;
    --secondary: #00d4aa;
    --accent-purple: #7b3fe4;
    --accent-pink: #ff6b9d;
    --green: #16c784;
    --red: #ea3943;
    --dark: #17171a;
    --gray-dark: #23262f;
    --gray: #58667e;
    --gray-light: #f7f8fa;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e8e8e8;
    z-index: 100;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
}

.logo strong {
    font-weight: 900;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-subscribe {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: var(--white);
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
}

.btn-subscribe:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(56, 97, 251, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(56, 97, 251, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
}

.btn-wide {
    width: 100%;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s;
}

.btn-text:hover {
    color: var(--primary-dark);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f0f4ff 0%, #fff5f8 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 97, 251, 0.1), transparent);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.hero-tag {
    display: inline-block;
    background: rgba(56, 97, 251, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark);
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    font-family: 'Roboto Mono', monospace;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
}

.hero-ctas {
    display: flex;
    gap: 16px;
}

/* Crypto Card */
.crypto-card {
    background: var(--white);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-title {
    font-weight: 700;
    font-size: 14px;
}

.live-dot {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--green);
}

.live-dot::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.market-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
}

.market-item {
    padding: 16px;
    background: var(--gray-light);
    border-radius: 10px;
}

.market-label {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 4px;
}

.market-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    font-family: 'Roboto Mono', monospace;
}

.market-change {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray);
}

.market-change.positive {
    color: var(--green);
}

.trending-title {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 16px;
}

.coin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.coin-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: var(--gray-light);
    border-radius: 8px;
}

.coin-name {
    font-weight: 600;
    font-size: 14px;
}

.coin-price {
    font-weight: 700;
    font-family: 'Roboto Mono', monospace;
}

.coin-price.up {
    color: var(--green);
}

.coin-price.down {
    color: var(--red);
}

/* Learning Paths */
.learning-paths {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.path-card {
    background: var(--white);
    border: 2px solid #e8e8e8;
    border-radius: 16px;
    padding: 36px;
    transition: all 0.3s;
}

.path-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.path-card.beginner {
    border-color: var(--secondary);
}

.path-card.intermediate {
    border-color: var(--primary);
}

.path-card.advanced {
    border-color: var(--accent-purple);
}

.path-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.path-card h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
}

.path-card > p {
    color: var(--gray);
    margin-bottom: 24px;
}

.path-topics {
    list-style: none;
    margin-bottom: 24px;
}

.path-topics li {
    padding: 8px 0;
    color: var(--dark);
    font-size: 15px;
}

.path-topics li::before {
    content: '✓ ';
    color: var(--green);
    font-weight: 700;
}

.path-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--gray);
}

.btn-path {
    width: 100%;
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-path:hover {
    background: var(--primary-dark);
}

/* Categories */
.categories {
    padding: 80px 0;
    background: var(--gray-light);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.category-item {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.2s;
}

.category-item:hover {
    transform: translateY(-4px);
}

.category-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.category-item h4 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.category-item p {
    color: var(--gray);
    margin-bottom: 12px;
}

.article-count {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
}

/* Articles */
.latest-articles {
    padding: 100px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.article-card {
    background: var(--white);
    border: 1px solid #e8e8e8;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.article-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.article-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
}

.article-image {
    position: relative;
    background: var(--gray-light);
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-card.featured .article-image {
    height: auto;
}

.article-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
}

.article-img-placeholder {
    font-size: 64px;
}

.article-content {
    padding: 28px;
}

.article-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.category-tag {
    background: rgba(56, 97, 251, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.read-time {
    color: var(--gray);
    font-size: 14px;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-content > p {
    color: var(--gray);
    margin-bottom: 20px;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.author-avatar {
    width: 32px;
    height: 32px;
    background: var(--gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author span {
    font-size: 14px;
    color: var(--gray);
}

.date {
    font-size: 14px;
    color: var(--gray);
}

.load-more {
    text-align: center;
}

/* Newsletter */
.newsletter-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
}

.newsletter-box {
    background: var(--white);
    border-radius: 24px;
    padding: 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.newsletter-content h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 16px;
}

.newsletter-content > p {
    color: var(--gray);
    margin-bottom: 24px;
    font-size: 16px;
}

.newsletter-benefits {
    list-style: none;
}

.newsletter-benefits li {
    padding: 8px 0;
    color: var(--dark);
    font-size: 16px;
}

.newsletter-form input {
    width: 100%;
    padding: 16px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 16px;
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--gray);
    margin-top: 16px;
}

/* Resources */
.resources {
    padding: 100px 0;
    background: var(--gray-light);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.resource-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
}

.resource-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.resource-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.resource-card p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 14px;
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    background: var(--gray-dark);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-logo strong {
    font-weight: 900;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    text-decoration: none;
    transition: background 0.2s;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-col h4 {
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    line-height: 2;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.disclaimer {
    margin-top: 12px;
    font-size: 12px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 20px;
    padding: 48px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--gray);
    cursor: pointer;
}

.modal-icon {
    font-size: 64px;
    text-align: center;
    margin-bottom: 20px;
}

.modal h2 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 32px;
}

.modal-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 32px;
}

#subscribeForm input {
    width: 100%;
    padding: 14px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 16px;
}

.checkbox-group {
    margin: 20px 0;
}

.checkbox {
    display: flex;
    gap: 8px;
    margin: 12px 0;
    font-size: 14px;
    color: var(--gray);
    align-items: flex-start;
}

.checkbox input {
    margin: 4px 0 0 0;
}

.modal-note {
    text-align: center;
    font-size: 13px;
    color: var(--gray);
    margin-top: 16px;
}

.modal-success {
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 900;
    margin: 0 auto 24px;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 2px solid var(--primary);
    padding: 20px;
    z-index: 999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.cookie-btns {
    display: flex;
    gap: 12px;
}

.btn-accept,
.btn-decline {
    padding: 10px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
}

.btn-accept {
    background: var(--primary);
    color: var(--white);
}

.btn-decline {
    background: transparent;
    border: 2px solid #e8e8e8;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
    
    .paths-grid,
    .category-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card.featured {
        grid-template-columns: 1fr;
    }
    
    .newsletter-box {
        grid-template-columns: 1fr;
        padding: 32px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}